B'TWIN has created the B'VISIBLE label to designate products that improve your visibility while cycling. It guarantees high-performance visibility that has been scientifically tested and approved in the lab, available on a full line of B'TWIN products.

Lab tests are conducted to approve components: batteries, battery life, UV resistance, durability, etc. The final product is then tested to simulate the durability of the assembly over time. The light is fitted to a test bike to reproduce the vibrations of road cycling through thousands of cycles.

Maintenance Tips

Remove the electronic device from the VIOO before cleaning the flexible part with clean soapy water.

Excellent value for money for an auxiliary light. 2 settings: Flash and constant although I always use it on Flashing mode with the main purpose of to be seen (as daytime riding light). Extremely easy and versatile to fit (got 2 on my mountain bike's fork and got 1on my road bike's handlebar)

LED front light yellow

11 Jan 2019

chris (United Kingdom) , 50-59 years old, Man

Used for 7 to 12 months

Yet again decathlon knock it out of the park!!! Well designed and made to do the job. Passed the MK redways test with flying colours. A great product that will serve you well. I own three of these two front and one back. My first bought last year is is still running great

Great lights but faulty battery

11 Sep 2018

Joel (United Kingdom) , 30-39 years old, Man

Used for 2 to 8 weeks

I bought three of these but the battery ran out in one of them within a week. Will cost the same to get a new battery as to buy a new light

Great little light

31 Aug 2018

Kathy (United Kingdom) , 50-59 years old, Woman

Used for More than 2 years

Great light at really reasonable price. I bought this to replace one stolen when my bike was stolen!

Good value for money

23 Aug 2018

sean (United Kingdom) , 30-39 years old, Man

Used for 2 to 8 weeks

These work well enough to go out early evening and still be seen by other road users

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